Most Asian-Pacific stocks closed lower, with export-related shares such as Samsung Electronics weighed down by concerns over slowing global growth, while BHP Billiton lost ground after metals prices weakened.

The Nikkei 225 Average finished the day 0.2% lower at 17733, Hong Kong's Hang Seng Index fell 0.3% to close at 20579, South Korea's Kospi Index lost 0.5% to 1722, Taipei ended 0.3% lower at 8346 and Australia's S&P/ASX 200...